#### Answer

a. $0.06$
b. $0.435$
c. $0.35$
d. $0.167$

#### Work Step by Step

Total percentage= 100
Calculate the sums of each row and column.
a. Is a universal donor, i.e., has O-negative blood
$p=6/100=0.06$
b. Has type O blood given that the person is Rh+
$p=37/85=0.435$
c. Has A+ or AB- blood
$p=(34+1)/100=0.35$
d. Has Rh- given that the person has type B
$p=2/120=0.167$